System and method for visual searching of objects using lines
US7831098B2 · kind B2 · utility
93Cited by
13References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 7, 2006 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Sep 9, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/588
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is method of visual search for objects that include straight lines. A two-step process is used, which includes detecting straight line segments in an image. The lines are generally characterized by their length, midpoint location, and orientation. Hypotheses that a particular straight line segment belongs to a known object are generated and tested. The set of hypotheses is constrained by spatial relationships in the known objects. The speed and robustness of the method and apparatus disclosed makes it immediately applicable to many computer vision applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.